520         if (NULL == ps_dec->as_recent_fld[1][0].pu1_y)  in impeg2d_pre_pic_dec_proc()
522             ps_dec->as_recent_fld[1][0] = ps_dec->s_cur_frm_buf;  in impeg2d_pre_pic_dec_proc()
524         if (NULL == ps_dec->as_recent_fld[1][1].pu1_y)  in impeg2d_pre_pic_dec_proc()
526             impeg2d_get_bottom_field_buf(&ps_dec->s_cur_frm_buf, &ps_dec->as_recent_fld[1][1],  in impeg2d_pre_pic_dec_proc()
530         ps_dec->as_ref_buf[FORW][TOP]    = ps_dec->as_recent_fld[1][0];  in impeg2d_pre_pic_dec_proc()
531         ps_dec->as_ref_buf[FORW][BOTTOM] = ps_dec->as_recent_fld[1][1];  in impeg2d_pre_pic_dec_proc()
537 …     if((NULL == ps_dec->as_recent_fld[1][0].pu1_y) && (NULL == ps_dec->as_recent_fld[0][0].pu1_y))  in impeg2d_pre_pic_dec_proc()
540             ps_dec->as_recent_fld[1][0] = ps_dec->s_cur_frm_buf;  in impeg2d_pre_pic_dec_proc()
541             impeg2d_get_bottom_field_buf(&ps_dec->s_cur_frm_buf, &ps_dec->as_recent_fld[1][1],  in impeg2d_pre_pic_dec_proc()
543             ps_dec->as_recent_fld[0][0] = ps_dec->s_cur_frm_buf;  in impeg2d_pre_pic_dec_proc()
544             ps_dec->as_recent_fld[0][1] = ps_dec->as_recent_fld[1][1];  in impeg2d_pre_pic_dec_proc()
547 …else if ((NULL != ps_dec->as_recent_fld[1][0].pu1_y) && (NULL == ps_dec->as_recent_fld[0][0].pu1_y…  in impeg2d_pre_pic_dec_proc()
549             ps_dec->as_recent_fld[0][0] = ps_dec->as_recent_fld[1][0];  in impeg2d_pre_pic_dec_proc()
550             ps_dec->as_recent_fld[0][1] = ps_dec->as_recent_fld[1][1];  in impeg2d_pre_pic_dec_proc()
552 …else if ((NULL == ps_dec->as_recent_fld[1][0].pu1_y) && (NULL != ps_dec->as_recent_fld[0][0].pu1_y…  in impeg2d_pre_pic_dec_proc()
554             ps_dec->as_recent_fld[1][0] = ps_dec->as_recent_fld[0][0];  in impeg2d_pre_pic_dec_proc()
555             ps_dec->as_recent_fld[1][1] = ps_dec->as_recent_fld[0][1];  in impeg2d_pre_pic_dec_proc()
558         ps_dec->as_ref_buf[FORW][TOP]    = ps_dec->as_recent_fld[0][0];  in impeg2d_pre_pic_dec_proc()
559         ps_dec->as_ref_buf[FORW][BOTTOM] = ps_dec->as_recent_fld[0][1];  in impeg2d_pre_pic_dec_proc()
560         ps_dec->as_ref_buf[BACK][TOP]    = ps_dec->as_recent_fld[1][0];  in impeg2d_pre_pic_dec_proc()
561         ps_dec->as_ref_buf[BACK][BOTTOM] = ps_dec->as_recent_fld[1][1];  in impeg2d_pre_pic_dec_proc()
652                 ps_dec->as_recent_fld[0][0] = ps_dec->as_recent_fld[1][0];  in impeg2d_post_pic_dec_proc()
653                 ps_dec->as_recent_fld[0][1] = ps_dec->as_recent_fld[1][1];  in impeg2d_post_pic_dec_proc()
655                 ps_dec->as_recent_fld[1][0] = ps_dec->s_cur_frm_buf;  in impeg2d_post_pic_dec_proc()
656                 impeg2d_get_bottom_field_buf(&ps_dec->s_cur_frm_buf, &ps_dec->as_recent_fld[1][1],  in impeg2d_post_pic_dec_proc()
662                 ps_dec->as_recent_fld[0][0] = ps_dec->as_recent_fld[1][0];  in impeg2d_post_pic_dec_proc()
663                 ps_dec->as_recent_fld[1][0] = ps_dec->s_cur_frm_buf;  in impeg2d_post_pic_dec_proc()
668                 ps_dec->as_recent_fld[0][1] = ps_dec->as_recent_fld[1][1];  in impeg2d_post_pic_dec_proc()
669                 impeg2d_get_bottom_field_buf(&ps_dec->s_cur_frm_buf, &ps_dec->as_recent_fld[1][1],  in impeg2d_post_pic_dec_proc()